Conveying auxilliary data through digital watermarking
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United States of America Patent
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Nov 8, 2011
Grant Date -
Aug 19, 2010
app pub date -
Apr 27, 2010
filing date -
Sep 30, 2003
priority date (Note) -
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Abstract
The disclosure relates generally to digital watermarking. One claim recites a method of conveying auxiliary binary data through digital watermarking. The method includes: using an electronic processor, providing a first digital watermark signal comprising a first orientation component associated with signal properties of the first digital watermark signal; using an electronic processor, providing a second digital watermark signal comprising a second orientation component associated with signal properties of the second digital watermark signal; and conveying the auxiliary binary data through a relative orientation relationship of the first orientation component and the second digital watermark component. Of course, other claims and combinations are provided as well.
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